Kim Catrall is asking for the public’s help in finding her brother, who has been missing for five days from his home in Canada.

The Sex and the City actress posted a plea on Instagram, asking for tips in locating 55-year-old  Christopher Cattrall.

“MISSING! This is my brother Christopher Cattrall or Chris as we call him. He has been missing since Tuesday, January the 30th from his home in Lacombe, Alberta Canada,” Catrall wrote.

“His keys, cell phone,& wallet left on the table and his front door unlocked. This is not like Chris. He he would never leave his unlocked home without those items nor his 7 beloved dogs. Chris is 55 years old, 6 feet tall, 200 pounds, blue eyes, short brown hair, goatee, average build & usually wearing a waist length hooded winter coat with black gloves, blue jeans and calf high black winter boots. If you’ve seen Chris contact Blackfalds RCMP at 403 885 3300 He’s a one of a kind brother. Help us bring him home safe. Please spread the world. Many thanks for reading this. Kim #centralalberta#blackfalds#reddeeralberta”

MISSING! This is my brother Christopher Cattrall or Chris as we call him. He has been missing since Tuesday, January the 30th from his home in Lacombe, Alberta Canada. His keys, cell phone,& wallet left on the table and his front door unlocked. This is not like Chris. He he would never leave his unlocked home without those items nor his 7 beloved dogs. Chris is 55 years old, 6 feet tall, 200 pounds, blue eyes, short brown hair, goatee, average build & usually wearing a waist length hooded winter coat with black gloves, blue jeans and calf high black winter boots. If you’ve seen Chris contact Blackfalds RCMP at 403 885 3300 He’s a one of a kind brother. Help us bring him home safe. Please spread the world. Many thanks for reading this. Kim #centralalberta #blackfalds #reddeeralberta

A post shared by Kim Cattrall (@kimcattrall) on Feb 3, 2018 at 9:11pm PST

The Royal Canadian Mounted Police confirmed to the New York Post that authorities are actively investigating Chris Cattrall’s disappearance.

Little is know about him outside of a LinkIn page identifying him as a director. A woman identifying herself as Cattrall’s stepdaughter also posted on Facebook seeking help finding him.

Anyone with information about Cattrall’s whereabouts is urged to call the Royal Canadian Mounted Police at 403-885-3300 or Crimestoppers at 1-800-222-TIPS.

[Feature image: Associated Press/Kim Cattrall]